ANC83FA161

NTSB accident investigation · Bellanca 7GCBC · Kasilof, AK · September 5, 1983

Accident · FatalField investigationFinal report
Date
September 5, 1983, 13:15 local (18:15 UTC)
Place
Kasilof, AK
Injuries
3 fatal
Damage
Substantial damage
Phase of flight
Uncontrolled descent
Aircraft
N88374Bellanca 7GCBC
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19830905045729A
Case key
4055

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

In flight collision with terrain/waterDescent - uncontrolled
Reason for occurrence undeterminedCause

Analysis

The acft crashed in a vertical nose down attitude a short distance from the plt's private airstrip. According to relatives the plt was taking his girl friend's 2 children for a short flt. Investigation revealed the plt's last known medical certificate was dated 9/28/78. The annual inspection on the acft was overdue by 7 months. The type of fuel foundin the acft after the accident resembled automotive fuel in appearance and smell. A fuel analysis did not determine typeof fuel. A pathologist who examined the plt's body after the accident stated that the toxicology report showed a therapeutic level of diphenhydramine present. According to a doctor, this could have impaired the plt's judgement, vision and other sensory functions. There were no witnesses to this accident.

Aircraft

Registration
N88374
Reported as
Bellanca 7GCBC
Category
Airplane
Serial number
773-74
Airframe hours
1,000
Engine
Lycoming O-320-A2B, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Royer A. Winch
Airworthiness certificate
Standard, Normal
Last inspection
Annual · February 1, 1982 · 55 hours before
Departed
WINC · Kasilof, AK

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
43
Certificate
Commercial
Airplane ratings
Single-engine land, Single-engine sea
Medical
Unknown, Expired
Seat
Front
Toxicology
Performed

Weather

Conditions
Visual (VMC) · Day
Visibility
50 statute miles
Lowest ceiling
None
Temperature
61 °F

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.